.ad-three-left{
  width: 170px;
  height: 127px;
  border-top: 1px solid #E0E0E0;
}

.ad-three-right-up , .ad-three-right-down{
  width: 169px;
  height: 63px;
  border-left: 1px solid #E0E0E0;
  border-top: 1px solid #E0E0E0;
}

.ad-box{
  margin: 10px 0;
}